CNN, Feynman and the Challenger disaster
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8:54
Germany’s Far-Right Comeback | NYT Opinion
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20:29
Space Shuttle Challenger Disaster: Ethics Case Study No. 1
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1:57:27
Richard Feynman: Quantum Mechanical View of Reality 1
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1:49:09
Freeman Dyson's Interview
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31:26
Challenger: 25 Years Later
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58:08
Challenger: A Rush to Launch
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18:27
Richard Feynman: Can Machines Think?
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12:22